1 files changed, 52 insertions, 0 deletions
diff --git a/CPP/Common/Sha256Reg.cpp b/CPP/Common/Sha256Reg.cpp
new file mode 100644
index 0000000..eaab65c
--- /dev/null
+++ b/CPP/Common/Sha256Reg.cpp
@@ -0,0 +1,52 @@
+// Sha256Reg.cpp
+
+#include "StdAfx.h"
+
+#include "../../C/Sha256.h"
+
+#include "../Common/MyCom.h"
+
+#include "../7zip/ICoder.h"
+#include "../7zip/Common/RegisterCodec.h"
+
+class CSha256Hasher:
+  public IHasher,
+  public CMyUnknownImp
+{
+  CSha256 _sha;
+public:
+  CSha256Hasher() { Init(); };
+
+  MY_UNKNOWN_IMP
+
+  STDMETHOD_(void, Init)();
+  STDMETHOD_(void, Update)(const void *data, UInt32 size);
+  STDMETHOD_(void, Final)(Byte *digest);
+  STDMETHOD_(UInt32, GetDigestSize)();
+};
+
+STDMETHODIMP_(void) CSha256Hasher::Init()
+{
+  Sha256_Init(&_sha);
+}
+
+STDMETHODIMP_(void) CSha256Hasher::Update(const void *data, UInt32 size)
+{
+  Sha256_Update(&_sha, (const Byte *)data, size);
+}
+
+STDMETHODIMP_(void) CSha256Hasher::Final(Byte *digest)
+{
+  Sha256_Final(&_sha, digest);
+}
+
+STDMETHODIMP_(UInt32) CSha256Hasher::GetDigestSize()
+{
+  return SHA256_DIGEST_SIZE;
+}
+
+static IHasher *CreateHasher() { return new CSha256Hasher; }
+
+static CHasherInfo g_HasherInfo = { CreateHasher, 0xA, L"SHA256", SHA256_DIGEST_SIZE };
+
+REGISTER_HASHER(Sha256)